151961325 has 12 divisors (see below), whose sum is σ = 251242848. Its totient is φ = 81046000.

The previous prime is 151961323. The next prime is 151961347. The reversal of 151961325 is 523169151.

It is not a de Polignac number, because 151961325 - 2¹ = 151961323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151961323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1013001 + ... + 1013150.

It is an arithmetic number, because the mean of its divisors is an integer number (20936904).

Almost surely, 2^151961325 is an apocalyptic number.

151961325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151961325 is a deficient number, since it is larger than the sum of its proper divisors (99281523).

151961325 is a wasteful number, since it uses less digits than its factorization.

151961325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026164 (or 2026159 counting only the distinct ones).

The product of its digits is 8100, while the sum is 33.

The square root of 151961325 is about 12327.2594277885. The cubic root of 151961325 is about 533.6350625568.

The spelling of 151961325 in words is "one hundred fifty-one million, nine hundred sixty-one thousand, three hundred twenty-five".